. elizabeth warren will be facing off against the incumbent senator scott brown. the debate sponsored by the "boston herald" and the university of massachusetts. if you're in the area there, you can watch it on your local nbc station. if not, you can watch it on cspan or via live stream online. there will be a link on our website. ♪ ♪ [ sneezes ] [ male announcer ] if you have yet to master the quiet sneeze... ♪ [ sneezes ] [ male announcer ] you may be an allergy muddler. try zyrtec®. it gives you powerful allergy relief. and zyrtec® is different than claritin® because zyrtec® starts working at hour 1 on the first day you take it. claritin® doesn't start working until hour 3. [ sneezes ] [ male announcer ] zyrtec®. love the air. join zyrtec® rewards. save up to $7 on zyrtec® products.